CLYDE WILLIAM TOMBAUGH - TYPESCRIPT SIGNED - HFSID 253359
Sale Price $252.00
Reg. $280.00
CLYDE TOMBAUGH
Clyde Tombaugh signs a typescript titled "The Ten Special
Commandments for a Would-Be Planet Hunter, according to Clyde Tombaugh".
Typescript signed: "Clyde W. Tombaugh/Discovered 9th planet,
Pluto, on 18 Feb 1930", 1p, 8¼x10½. Titled, "The Ten Special Commandments
for a Would-Be Planet Hunter, according to Clyde Tombaugh". Ink correction to
one word of text. Clyde W. Tombaugh (1906-1997)was hired
in 1929 as an assistant by the Lowell Observatory in New Mexico to continue the
search for a planet beyond Neptune, which had been initiated by Percival Lowell.
Tombaugh used a blink microscope to compare photographs of a small part of the
night sky and detect the planet. After ten months of painstaking comparisons,
on February 18, 1930 he found Pluto in the constellation Gemini. Some of his
ashes are carried on the New Horizons spacecraft, which is traveling toward
Pluto. Fine condition.
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